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Fix OneDrive Will Not Launch on macOS Mojave 10.14.6
Question details
The user needs to resolve an issue where the OneDrive client crashes or refuses to open on a Mac running macOS Mojave.
- Product
- Microsoft OneDrive
- Device & OS
- macOS Mojave 10.14.6
- Scenario
- After a recent background application update or system cleanup, the user attempts to open OneDrive but it fails to launch on an older macOS version.
- Observed behavior
- The OneDrive application unexpectedly quits or fails to start entirely because the currently installed version is incompatible with macOS 10.14.6.
Verify your exact macOS version by clicking the Apple menu and selecting 'About This Mac' to confirm you are indeed running macOS Mojave 10.14.6 before replacing your current OneDrive application.
Install a Compatible OneDrive Version for Mojave
The most common reason OneDrive fails to launch on older Macs is an incompatible automatic update. Manually installing the last supported build (version 23.061.0319.0003) restores functionality.
Microsoft regularly phases out support for older operating systems. If your Mac automatically downloaded a newer version of OneDrive designed for macOS Catalina or later, the app will crash upon launch in Mojave.
To fix this, you must completely remove the unsupported version and install the specific older release that explicitly supports your operating system.
Open the 'Applications' folder on your Mac, locate the Microsoft OneDrive application, and drag it to the Trash.
Download OneDrive version 23.061.0319.0003 using the official Microsoft installer link for older macOS versions.
Double-click the downloaded .pkg file and follow the on-screen installation prompts.
Launch OneDrive, sign in with your Microsoft account credentials, and turn off automatic updates for the app to prevent it from upgrading to an unsupported version again.
Restore Quarantined OneDrive Files
If you recently ran a system optimizer or third-party antivirus software, it may have mistakenly isolated essential OneDrive launch files.
Need Reliable Office Tools on Older Macs? Try WPS Office
If you are struggling with Microsoft 365 or OneDrive compatibility on macOS Mojave, consider switching to WPS Office. It provides a lightweight, free alternative with built-in cloud storage that seamlessly supports older macOS versions without forcing incompatible updates.
- 1. Download for Mac: Visit the WPS Office website and download the free macOS installation package.
- 2. Install the Application: Open the downloaded file and drag the WPS Office icon into your Applications folder.
- 3. Sign In to Cloud: Launch WPS Office and sign in to activate your free WPS Cloud storage for seamless file syncing.
Frequently Asked Questions
Why did OneDrive suddenly stop working on my macOS Mojave?
Microsoft regularly phases out support for older operating systems. If your Mac automatically updated the OneDrive client to a version designed for macOS Catalina or newer, the application will no longer be capable of launching on Mojave.
Is it safe to use an older version of OneDrive on my Mac?
While older versions like 23.061.0319.0003 will successfully run on Mojave, they no longer receive active security updates from Microsoft. It is generally recommended to eventually upgrade your macOS if your hardware supports it, but the older client remains functional for syncing.
Can I use OneDrive through the web browser instead of the app?
Yes. If the desktop application fails or you prefer not to install older software, you can access, upload, and download your files directly by logging into onedrive.live.com using Safari, Chrome, or any modern web browser.
What is the last Microsoft Office version supported on macOS Mojave?
For the main Microsoft Office suite (which includes Word, Excel, and PowerPoint), version 16.54 released in October 2021 is the final official build that supports macOS Mojave 10.14.6.
